Dujlović families are Croats and they are mostly from Banja Luka area (Bosnia). In the past century, relatively most of Croatian residents bearing this family name were born in Banja Luka Region, Bosnia (Banja Luka area) and in Hrvatska Kostajnica area.
Prevalence
About 140 people with faimily name Dujlović live in Croatia today, in 50 households. There were 30 of them in the middle of the past century, and their number multiplied. They are located in the most of Croatian counties, in 20 cities and 23 other places, mostly in Rijeka (20), Petrinja (15), Dugo Selo (10), and in Vojisnica (10) and Vojnic (<10) in Duga Resa area.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1942 in source Phone Directory of the Independent State of Croatia 1942.